/*!
 * jQuery Context Menu Plugin
 *
 * Version 1.01
 *
 * Cory S.N. LaViska
 * A Beautiful Site (http://abeautifulsite.net/)
 *
 * More info: http://abeautifulsite.net/2008/09/jquery-context-menu-plugin/
 *
 * Terms of Use
 *
 * This plugin is dual-licensed under the GNU General Public License
 *   and the MIT License and is copyright A Beautiful Site, LLC.
 */
if (jQuery) (function () {
	$.extend($.fn, {

		contextMenu: function (o, callback) {
			// Defaults
			if (o.menu == undefined) return false;
			if (o.inSpeed == undefined) o.inSpeed = 150;
			if (o.outSpeed == undefined) o.outSpeed = 75;
			// 0 needs to be -1 for expected results (no fade)
			if (o.inSpeed == 0) o.inSpeed = -1;
			if (o.outSpeed == 0) o.outSpeed = -1;
			// Loop each context menu
			$(this).each(function () {
				var el = $(this);
				var offset = $(el).offset();
				// Add contextMenu class
				$('#' + o.menu).addClass('contextMenu');
				// Simulate a true right click
				$(this).mousedown(function (e) {
					var evt = e;
					evt.stopPropagation();
					$(this).mouseup(function (e) {
						e.stopPropagation();
						var srcElement = $(this);
						$(this).unbind('mouseup');
						if (evt.button == 2) {
							// Hide context menus that may be showing
							$(".contextMenu").hide();
							// Get this context menu
							var menu = $('#' + o.menu);

							if ($(el).hasClass('disabled')) return false;

							// Detect mouse position
							var d = {}, x, y;
							if (self.innerHeight) {
								d.pageYOffset = self.pageYOffset;
								d.pageXOffset = self.pageXOffset;
								d.innerHeight = self.innerHeight;
								d.innerWidth = self.innerWidth;
							} else if (document.documentElement && document.documentElement.clientHeight) {
								d.pageYOffset = document.documentElement.scrollTop;
								d.pageXOffset = document.documentElement.scrollLeft;
								d.innerHeight = document.documentElement.clientHeight;
								d.innerWidth = document.documentElement.clientWidth;
							} else if (document.body) {
								d.pageYOffset = document.body.scrollTop;
								d.pageXOffset = document.body.scrollLeft;
								d.innerHeight = document.body.clientHeight;
								d.innerWidth = document.body.clientWidth;
							}
							(e.pageX) ? x = e.pageX : x = e.clientX + d.scrollLeft;
							(e.pageY) ? y = e.pageY : y = e.clientY + d.scrollTop;

							// Show the menu
							$(document).unbind('click');
							$(menu).css({ top: y, left: x }).fadeIn(o.inSpeed);
							// Hover events
							$(menu).find('A').mouseover(function () {
								$(menu).find('LI.hover').removeClass('hover');
								$(this).parent().addClass('hover');
							}).mouseout(function () {
								$(menu).find('LI.hover').removeClass('hover');
							});

							// Keyboard
							$(document).keypress(function (e) {
								switch (e.keyCode) {
									case 38: // up
										if ($(menu).find('LI.hover').size() == 0) {
											$(menu).find('LI:last').addClass('hover');
										} else {
											$(menu).find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
											if ($(menu).find('LI.hover').size() == 0) $(menu).find('LI:last').addClass('hover');
										}
										break;
									case 40: // down
										if ($(menu).find('LI.hover').size() == 0) {
											$(menu).find('LI:first').addClass('hover');
										} else {
											$(menu).find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
											if ($(menu).find('LI.hover').size() == 0) $(menu).find('LI:first').addClass('hover');
										}
										break;
									case 13: // enter
										$(menu).find('LI.hover A').trigger('click');
										break;
									case 27: // esc
										$(document).trigger('click');
										break
								}
							});

							// When items are selected
							$('#' + o.menu).find('A').unbind('click');
							$('#' + o.menu).find('LI:not(.disabled) A').click(function () {
								$(document).unbind('click').unbind('keypress');
								$(".contextMenu").hide();
								// Callback
								if (callback) callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
								return false;
							});

							// Hide bindings
							setTimeout(function () { // Delay for Mozilla
								$(document).click(function () {
									$(document).unbind('click').unbind('keypress');
									$(menu).fadeOut(o.outSpeed);
									return false;
								});
							}, 0);
						}
					});
				});

				// Disable text selection
				if ($.browser.mozilla) {
					$('#' + o.menu).each(function () { $(this).css({ 'MozUserSelect': 'none' }); });
				} else if ($.browser.msie) {
					$('#' + o.menu).each(function () { $(this).bind('selectstart.disableTextSelect', function () { return false; }); });
				} else {
					$('#' + o.menu).each(function () { $(this).bind('mousedown.disableTextSelect', function () { return false; }); });
				}
				// Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
				$(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; });

			});
			return $(this);
		},

		// Disable context menu items on the fly
		disableContextMenuItems: function (o) {
			if (o == undefined) {
				// Disable all
				$(this).find('LI').addClass('disabled');
				return ($(this));
			}
			$(this).each(function () {
				if (o != undefined) {
					var d = o.split(',');
					for (var i = 0; i < d.length; i++) {
						$(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');

					}
				}
			});
			return ($(this));
		},

		// Enable context menu items on the fly
		enableContextMenuItems: function (o) {
			if (o == undefined) {
				// Enable all
				$(this).find('LI.disabled').removeClass('disabled');
				return ($(this));
			}
			$(this).each(function () {
				if (o != undefined) {
					var d = o.split(',');
					for (var i = 0; i < d.length; i++) {
						$(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');

					}
				}
			});
			return ($(this));
		},

		// Disable context menu(s)
		disableContextMenu: function () {
			$(this).each(function () {
				$(this).addClass('disabled');
			});
			return ($(this));
		},

		// Enable context menu(s)
		enableContextMenu: function () {
			$(this).each(function () {
				$(this).removeClass('disabled');
			});
			return ($(this));
		},

		// Destroy context menu(s)
		destroyContextMenu: function () {
			// Destroy specified context menus
			$(this).each(function () {
				// Disable action
				$(this).unbind('mousedown').unbind('mouseup');
			});
			return ($(this));
		}

	});
})(jQuery);